NativeInterfaces (JUG)

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java.lang.Object
- org.safehaus.uuid.NativeInterfaces

```
public class NativeInterfaces
extends Object
```
Proxy class that uses JNI-based functionality to obtain information about local interfaces.
Note that there are two different places where platform-dependant native code libraries can be located under:
- System-dependant standard library location (in unix systems often something like /lib or /usr/lib). This is not the default; if you want to enable this loading, you need to call setUseStdLibDir(boolean) before accessing any access method in this class.
- Application dependant directory; often located in same directory as app, or one of sub-directories. This is default setting; default sub-directory (under current directory when starting app that uses JUG) is specified as sDefaultLibSubdir

Field Summary

Fields
Modifier and Type Field and Description

protected static String sDefaultLibSubdir

Constructor Summary

Constructors
Constructor and Description

NativeInterfaces()

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method and Description
`protected static void`	`checkLoad()`
`static EthernetAddress[]`	`getAllInterfaces()`
`static EthernetAddress`	`getPrimaryInterface()`
`static void`	`main(String[] args)` Test driver to test if native ethernet adapter/interface access works ok.
`static void`	`setLibDir(File f)` Method that allows overriding of default library directory, to allow loading of native interface access code from specific application dependant location.
`static void`	`setUseStdLibDir(boolean b)`

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - sDefaultLibSubdir
```
protected static final String sDefaultLibSubdir
```
    See Also:
    
    Constant Field Values
- Constructor Detail
  - NativeInterfaces
```
public NativeInterfaces()
```
- Method Detail
  - setLibDir
```
public static void setLibDir(File f)
```
    Method that allows overriding of default library directory, to allow loading of native interface access code from specific application dependant location.
  - setUseStdLibDir
```
public static void setUseStdLibDir(boolean b)
```
  - checkLoad
```
protected static void checkLoad()
```
  - getPrimaryInterface
```
public static EthernetAddress getPrimaryInterface()
```
  - getAllInterfaces
```
public static EthernetAddress[] getAllInterfaces()
```
  - main
```
public static void main(String[] args)
```
    Test driver to test if native ethernet adapter/interface access works ok. Tries to get the primary interface and output it; prints out error message if access fails.

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